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Hello, DEV Community! ๐Ÿ‘‹ I'm Here to Build, Learn, and Share

Hey everyone! I'm a Computer Science student, developer, and AI research enthusiast passionate about building technology that solves real-world problems. My interests include: ๐Ÿ’ป Full-Stack Development ๐Ÿค– Artificial Intelligence & Machine Learning ๐Ÿง  Deep Learning and Intelligent Systems ๐Ÿ”ฌ Research in Trustworthy AI and LLMs ๐ŸŒ Multi-Agent Systems and Emerging Technologies I'm currentlyโ€ฆ

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How to prove equations using diagrams, part 1

  • E-graphs maintain congruence relation on expression trees for equational reasoning
  • Draw parallel between e-graphs and commutative diagrams in category theory
  • Initial functors characterize valid transformations through morphisms between diagrams

ERC-2981 in practice: what a 5% royalty actually pays out

How an ERC-2981 royalty actually lands in a sale: in Seaport it is an extra consideration item with a fixed recipient, not a post-hoc transfer ERC-2981 does not transfer a royalty.

  • ERC-2981 royalty payout calculated via royaltyInfo function.
  • Seaport listing triggers royaltyInfo before signing order.
  • Seller net amount = price - royalty - marketplace fee.

Why your PDF signature breaks the moment someone edits the file

A client sent me a signed supplier agreement last month with a note: "we changed one date in appendix 2, that's fine right?" The signature panel in their viewer still showed a green tick.

  • PDF signatures verify file bytes, not content
  • Editing PDF shifts byte ranges, invalidates signature
  • Re-sign document after changes to maintain signature validity

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